Current controlled oscillator

Details Current controlled oscillator Current controlled oscillator

H - Electricity

03

B

331/21

H03B 5/12 (2006.01)

Patent

CA 1082319

CURRENT CONTROLLED OSCILLATOR Abstract of the Disclosure A transistor oscillator has first and second tran- sistors interconnected with a resonance circuit and a current source connected to supply current to each transistor emitter. Short circuit conductors connect the base of the first transistor to the collector of the second transistor and the base of the second transistor to the collector of the first transistor. A current return path to the current supply causes oscillatory signals to be generated. Regulation of the current flow from the source through the transistors provides current at levels exceeding the saturation of the transistors to vary the frequency range of the oscillator signal. The frequency of oscillation across the resonance circuit is detected. The arrangement permits generation of a variable frequency output by regulation of the current input of the tran- sistors in a simple and inexpensive manner utilising relatively few components.

280012

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